Remove item definition of "tool_black_powder_bomb" as it has a migrat…

…ion defined.

There is no item of that id anymore. Existing items will be converted to "can_bomb" as defined in the migration entry.

data/json/items/obsolete.json

@@ -611,33 +611,6 @@
     },
     "flags": [ "TRADER_AVOID" ]
   },
-  {
-    "id": "tool_black_powder_bomb",
-    "type": "TOOL",
-    "category": "weapons",
-    "name": "black gunpowder bomb",
-    "description": "This is a tin can filled to the brim with black gunpowder and with a bit of fuse sticking out of it.",
-    "//": "40g of tin can and 250ml/412g of gunpowder",
-    "weight": "452 g",
-    "volume": "250 ml",
-    "price": 2500,
-    "to_hit": -2,
-    "material": [ "steel", "plastic" ],
-    "symbol": "*",
-    "color": "red",
-    "explode_in_fire": true,
-    "explosion": { "power": 88, "shrapnel": { "casing_mass": 3, "fragment_mass": 0.12 } },
-    "use_action": {
-      "target": "tool_black_powder_bomb_act",
-      "msg": "You light the fuse on the black gunpowder bomb.  Throw it before it blows in your face!",
-      "target_charges": 3,
-      "active": true,
-      "need_fire": 1,
-      "menu_text": "Light fuse",
-      "type": "transform"
-    },
-    "flags": [ "RADIO_MODABLE", "RADIO_INVOKE_PROC", "BOMB" ]
-  },
   {
     "id": "tool_black_powder_bomb_act",
     "type": "TOOL",